根据要求改写句子。

1. heavy, her, for, it's, too (.) (连词成句)    

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2. got, a, one, big, you, have (?) (连词成句)

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3. They are new. They are the green shoes．(合为一句话)   

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4. The white bag is nice. (分成两句话)    

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5. It's got a big nose. (改为I做第一人称)  

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图中，①处的血管是（　　）

A．动脉

B．静脉

C．动脉或静脉都有可能

D．毛细血管